CN105117132A - Touch control method and apparatus - Google Patents
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- CN105117132A CN105117132A CN201510546786.1A CN201510546786A CN105117132A CN 105117132 A CN105117132 A CN 105117132A CN 201510546786 A CN201510546786 A CN 201510546786A CN 105117132 A CN105117132 A CN 105117132A
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Abstract
The invention discloses a touch control method and apparatus. The touch control method comprises: acquiring coordinates of touch points of a touch gesture to be judged; by calculating the coordinates, obtaining features of the touch gesture to be judged, wherein the features comprise a number of the touch points, a shape of a polygon obtained by connecting the touch points and a corresponding area; by comparing the features, judging whether a pre-stored touch gesture of which the similarity with the touch gesture to be judged accords with a threshold exists in a false touch gesture library; and if yes, executing the screen locking operation. The invention further discloses a touch control apparatus. According to the embodiment of the invention, a false touch operation of a touch screen can be effectively prevented; and the touch control method and apparatus are simple to implement, low in cost and broad in usage scene range.
Description
Technical field
The present invention relates to touching technique field, particularly relate to a kind of method of toch control and device.
Background technology
In recent years, touch-screen has been widely used on hand-held mobile communicating terminal, pocket computer and multimedia teaching or demonstration equipment, user by carrying out on the touchscreen clicking, the operation such as paddling, the repertoire of common keyboard can be completed, therefore, touch-screen can make man-machine interaction more simple and direct.Particularly in the equipment such as such as mobile phone, panel computer, electronic whiteboard, touch-screen is often set as load module, with replace keyboard or with keyboard with the use of.And touch-screen is very sensitive for the reaction touched, thus when staff normally controls the equipment being provided with touch-screen, the finger pressure applied at display screen can produce mistaken touch, thus makes touch-screen produce faulty operation.
The existing method of mistaken touch that prevents is, mobile phone is installed a distance perspective induction sensor be used for preventing screen in user's communication process from contacting the maloperation caused with face, when mobile phone is in communication process time, the distance of detecting distance sensor and face, when distance is less than certain value, closes touch-screen, do not process the data from touch-screen, when face and mobile phone in a distance time, reopen touch-screen, process carrys out the data of self-capacitance touch screen.This method needs to increase range sensor and infraluminescence pipe in a device, the manufacturing cost of increase equipment, implement and comparatively bother, and this method is only applicable to converse etc. in limited use scenes, cannot realize the effect preventing maloperation in general touch-screen use scenes.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of method of toch control, can effectively prevent the mistaken touch of touch-screen from operating.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of method of toch control, comprises the coordinate obtaining the touch point waiting to judge touch gestures; By calculate described coordinate obtain described in wait to judge the feature of touch gestures, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence; Come whether to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature; If so, then lock-screen is performed.
Further, described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value: the touch point number waiting to judge touch gestures described in touch point number equals simultaneously; The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And the polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than described Second Threshold.
Further again, the deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.
Further, described method of toch control also comprises: do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature; If so, the routine operation judging that touch gestures is corresponding is waited described in then performing; If not, then any operation is not performed.
Further, described obtain the coordinate of the touch point waiting to judge touch gestures before also comprise: the coordinate obtaining the touch point of false touch gesture and conventional tactile gesture; Obtained the feature of described false touch gesture by the coordinate of the touch point calculating described false touch gesture, obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture; Form described false touch gesture library by the feature of all described false touch gesture obtained, form described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
The embodiment of the present invention also provides a kind of touch control device, comprises the first coordinate obtaining module, for obtaining the coordinate of the touch point waiting to judge touch gestures; Fisrt feature computing module, for by calculate described coordinate obtain described in treat to judge the feature of touch gestures, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by the described touch point of connection and correspondence; Whether the first judge module, for coming to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature; Screen locking module, in misjudgment touch gestures storehouse exist with described until judge the similarity of touch gestures meet described threshold value prestore touch gestures time, execution lock-screen.
Further, described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value: the touch point number waiting to judge touch gestures described in touch point number equals simultaneously; The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And the polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than Second Threshold.
Further again, the deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.
Further, described touch control device also comprises: the second judge module, for do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature; Execution module, for when judge in conventional tactile gesture library exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait the routine operation judging that touch gestures is corresponding described in execution; Otherwise, do not perform any operation.
Further, described touch control device also comprises: the second coordinate obtaining module, for obtaining the coordinate of the touch point of false touch gesture and conventional tactile gesture; Second feature computing module, the coordinate for the touch point by calculating described false touch gesture obtains the feature of described false touch gesture, is obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture; Gesture library generation module, for forming described false touch gesture library by the feature of all described false touch gesture obtained, forms described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
Implement the embodiment of the present invention, there is following beneficial effect:
The method of toch control that the embodiment of the present invention provides and device, by calculate obtain to wait that the coordinate of the touch point judging touch gestures obtains take touch point as polygonal shape and the area on summit, with the touch gestures preset contrast described shape and area judge described in wait to judge whether touch gestures is false touch gesture, if described in wait to judge that touch gestures is judged as false touch gesture, then lock-screen is to reach the effect preventing misoperation of touch screen.The method is without the need to adding sensor or other devices in a device, and realization is simple, cost is low; And the method not only can be used in the scenes such as call, in general touch-screen use scenes, all can realize the effect preventing maloperation, use scenes is in extensive range.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the embodiment of method of toch control provided by the invention;
Fig. 2 connects the touch point waiting to judge touch gestures and the pentagonal structural representation obtained;
Fig. 3 is the schematic flow sheet of the embodiment of the generation method in touch gestures storehouse provided by the invention;
Fig. 4 is the structural representation of the embodiment of touch control device provided by the invention;
Fig. 5 is the structural representation of the embodiment of the generating apparatus in touch gestures storehouse provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, a kind of method of toch control that the first embodiment provides, comprising:
S101, obtains the coordinate of the touch point waiting to judge touch gestures;
Concrete, touch-screen self has coordinate system, each point on touch-screen and the coordinate points one_to_one corresponding in coordinate system, when in time judging that touch gestures carries out, waits to judge that the point of touch gestures and screen contact and the coordinate of touch point directly obtain by touch-screen.
S102, by calculate described coordinate obtain described in wait to judge the feature of touch gestures, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence;
Concrete, see Fig. 2, judge that all touch points of touch gestures are also connected successively as summit using described waiting, composition pentagon 200, pentagon 200 comprises five limits, every bar limit there are two summits, can be calculated every bar limit and horizontal angle by the coordinate on two summits, be can be calculated the area of pentagon 200 equally by the coordinate on each summit.It should be noted that, described in wait that the touch point number judging touch gestures is only described for five, described touch point number can also be other any quantity.
Whether S103, come to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature;
Concrete, described false touch gesture library is the database of inserting in advance in touch panel device, described false touch gesture library comprises the feature of the false touch gesture of pre-entered, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence.Waiting to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by whether existing in misjudgment touch gestures storehouse, waiting described in can learning to judge whether touch gestures is false touch gesture;
Preferably, described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value simultaneously:
The touch point number judging touch gestures is waited described in touch point number equals;
The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And
The polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than described Second Threshold.
In the specific implementation, come whether to exist in misjudgment touch gestures storehouse by following process and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value:
Judge touch point number waits to judge the touch point number of touch gestures described in whether equaling;
If so, then judge the area of a polygon that forms and describedly wait whether the difference judging the area of a polygon that touch gestures is formed is less than default first threshold;
When the difference of described area is less than described first threshold, judges polygonal every bar limit of forming and describedly wait to judge whether the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than default Second Threshold;
When the difference of described angle is all less than default Second Threshold, be judged to prestore described in existence touch gestures.
Concrete, be called with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value and contrast touch gestures, in the present embodiment, the touch point number of described contrast touch gestures equals 5, the difference of the polygonal area of described contrast touch gestures and the area of polygon 200 is less than first threshold, the difference of the angle that polygonal every bar limit of described contrast touch gestures and every bar corresponding sides of polygon 200 are formed with horizontal line respectively is all less than Second Threshold, the angle that every bar limit of polygon 200 and horizontal line are formed can be calculated according to the coordinate of the touch point on described every bar limit, described contrast touch gestures need meet above-mentioned three conditions simultaneously.Wherein, the deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.Concrete, the point that in the summit of selection pentagon 200, ordinate is maximum and the summit of pentagon 200 the top are as the first touch point, the each limit of described polygon is marked by ascending order successively in the counterclockwise direction from described first touch point, limit 201 is labeled as Article 1 limit, limit 202 is labeled as Article 2 limit, limit 203 is labeled as Article 3 limit, limit 204 is labeled as Article 4 limit, limit 205 is labeled as Article 5 limit, also every bar limit is marked by this labeling method in other pentagons, the Article 1 limit 201 of other pentagonal Article 1 limits and pentagon 200 is corresponding sides, the Article 2 limit 202 of other pentagonal Article 2 limits and pentagon 200 is corresponding sides, the Article 3 limit 203 of other pentagonal Article 3 limits and pentagon 200 is corresponding sides, the Article 4 limit 204 of other pentagonal Article 4 limits and pentagon 200 is corresponding sides, the Article 5 limit 205 of other pentagonal Article 5 limits and pentagon 200 is corresponding sides.
S104, in misjudgment touch gestures storehouse exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then perform lock-screen.
Concrete, in misjudgment touch gestures storehouse exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait described in then thinking to judge that touch gestures is false touch gesture, for the touch operation treating to judge that touch gestures is corresponding described in preventing from performing and cause generation mistaken touch, and then perform lock-screen operation, reach the effect preventing misoperation of touch screen.If want removing screen locking, screen is made the arbitrary false touch gesture stored in false touch gesture library and gets final product removing screen locking.
S105, do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature;
Concrete, the database of described conventional tactile gesture library also for inserting in advance in touch panel device, described conventional tactile gesture library comprises the feature of the conventional tactile gesture of pre-entered, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence.Waiting to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by judging whether to exist in conventional tactile gesture library, waiting described in can learning to judge whether touch gestures is conventional tactile gesture; Wait described in judgement to judge touch gestures whether for conventional tactile gesture method with judge described in wait to judge that whether touch gestures is that the method for false touch gesture is similar, do not repeat them here.
S106, waits the routine operation judging that touch gestures is corresponding described in if so, then performing;
Concrete, judge in conventional tactile gesture library exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait described in then thinking to judge that touch gestures is conventional tactile gesture, and then wait the routine operation that judges that touch gestures is corresponding described in performing, to ensure the normal work of screen.
S107, if not, does not then perform any operation.
Concrete, judge not exist in conventional tactile gesture library with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait described in then thinking to judge touch gestures neither as false touch gesture, be not conventional tactile gesture yet, for the touch operation treating to judge that touch gestures is corresponding described in preventing from performing and cause generation mistaken touch, and then described waiting is not judged that touch gestures performs corresponding operation, namely to described waiting, screen judges that touch gestures is without response, reaches the effect preventing misoperation of touch screen.
In the present embodiment, " false touch gesture ", " conventional tactile gesture " all can be set by the user and be stored in false touch gesture library, conventional tactile gesture library.Wherein, " conventional tactile gesture " refers to the touch gestures of user's routine on the touchscreen, and this gesture can produce the routine operation corresponding with this gesture by sensing touch screen; " false touch gesture " then refers to except conventional tactile gesture, can produce mistaken touch makes touch-screen produce the touch gestures of faulty operation, therefore, the present embodiment causes touch-screen to produce faulty operation to prevent mistaken touch, during by judging that user's touch gestures is on the touchscreen false touch gesture, perform lock-screen operation.Under lock-screen, except removing screen locking gesture, touch-screen can not respond user's any touch operation on the touchscreen.
Wherein, the mode that the false touch gesture library of the present embodiment and conventional tactile gesture library generate in advance see Fig. 3, specifically can comprise step:
S301, obtains the coordinate of the touch point of false touch gesture and conventional tactile gesture;
Concrete, when the false touch gesture being preset as false touch gesture is carried out, the point of false touch gesture and screen contact and the coordinate of touch point directly obtain by touch-screen, when the conventional tactile gesture being preset as conventional tactile gesture is carried out, the point of conventional tactile gesture and screen contact and the coordinate of touch point also directly obtain by touch-screen.
S302, obtains the feature of described false touch gesture by the coordinate of the touch point calculating described false touch gesture, obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture; Wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence.
Concrete, also be connected successively using the touch point of described false touch gesture as summit, composition polygon, polygonal every bar limit there are two summits, every bar limit and horizontal angle is can be calculated by the coordinate on two summits, can be calculated polygonal area by the coordinate on each summit equally, the coordinate calculating the touch point of the false touch gesture of all pre-entered successively can obtain the feature of all described false touch gestures.Also be connected successively using the touch point of described conventional tactile gesture as summit, composition polygon, polygonal every bar limit there are two summits, every bar limit and horizontal angle is can be calculated by the coordinate on two summits, can be calculated polygonal area by the coordinate on each summit equally, the coordinate calculating the touch point of the conventional tactile gesture of all pre-entered successively can obtain the feature of all described conventional tactile gestures.
S303, forms described false touch gesture library by the feature of all described false touch gesture obtained, and forms described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
Concrete, described false touch gesture library is formed by the feature of all described false touch gesture obtained, it is inserted in advance in touch apparatus and judge for when carrying out contrast in time judging that touch gestures inputs, judge to wait to judge whether touch gestures is false touch gesture.Form described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained, it is inserted in advance in touch apparatus and judge for when carrying out contrast in time judging that touch gestures inputs, judge to wait to judge whether touch gestures is conventional tactile gesture.
See Fig. 4, a kind of touch control device 400 that the present embodiment provides, comprising:
First coordinate obtaining module 401, for obtaining the coordinate of the touch point waiting to judge touch gestures;
Fisrt feature computing module 402, for by calculate described coordinate obtain described in treat to judge that the feature of touch gestures, described feature comprise the area of the quantity of touch point, the polygonal shape obtained by the described touch point of connection and correspondence;
Whether the first judge module 403, for coming to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature;
Preferably, described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value: the touch point number waiting to judge touch gestures described in touch point number equals simultaneously; The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And the polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than Second Threshold.The deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.
Screen locking module 404, in misjudgment touch gestures storehouse exist with described until judge the similarity of touch gestures meet described threshold value prestore touch gestures time, execution lock-screen;
Second judge module 405, for do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature;
Execution module 406, for when judge in conventional tactile gesture library exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait the routine operation judging that touch gestures is corresponding described in execution; Otherwise, do not perform any operation.
See Fig. 5, the generating apparatus 500 in a kind of touch gestures storehouse that the present embodiment provides, comprising:
Second coordinate obtaining module 501, for obtaining the coordinate of the touch point of false touch gesture and conventional tactile gesture;
Second feature computing module 502, the coordinate for the touch point by calculating described false touch gesture obtains the feature of described false touch gesture, is obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture;
Gesture library generation module 503, for forming described false touch gesture library by the feature of all described false touch gesture obtained, forms described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
The method of toch control that the embodiment of the present invention provides and device, by calculate obtain to wait that the coordinate of the touch point judging touch gestures obtains take touch point as polygonal shape and the area on summit, with the touch gestures preset contrast described shape and area judge described in wait to judge whether touch gestures is false touch gesture, if described in wait to judge that touch gestures is judged as false touch gesture, then lock-screen; If described in wait to judge that touch gestures is judged not as false touch gesture, then judge further to wait to judge whether touch gestures is conventional tactile gesture, if described in wait to judge that touch gestures is judged as conventional tactile gesture, then perform corresponding routine operation; If described in wait to judge that touch gestures is judged not as conventional tactile gesture, then do not perform any operation, so just can reach the effect preventing misoperation of touch screen.The method is without the need to adding sensor or other devices in a device, and realization is simple, cost is low; And the method not only can be used in the scenes such as call, in general touch-screen use scenes, all can realize the effect preventing maloperation, use scenes is in extensive range.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement and distortion, these improve and distortion is also considered as protection scope of the present invention.
Claims (10)
1. a method of toch control, is characterized in that, comprising:
Obtain the coordinate of the touch point waiting to judge touch gestures;
By calculate described coordinate obtain described in wait to judge the feature of touch gestures, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by connecting described touch point and correspondence;
Come whether to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature;
If so, then lock-screen is performed.
2. method of toch control as claimed in claim 1, is characterized in that: described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value simultaneously:
The touch point number judging touch gestures is waited described in touch point number equals;
The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And
The polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than described Second Threshold.
3. method of toch control as claimed in claim 2, it is characterized in that: the deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.
4. method of toch control as claimed in claim 1, is characterized in that: described method of toch control also comprises:
Do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature;
If so, the routine operation judging that touch gestures is corresponding is waited described in then performing;
If not, then any operation is not performed.
5. method of toch control as claimed in claim 4, is characterized in that: described obtain the coordinate of the touch point waiting to judge touch gestures before also comprise:
Obtain the coordinate of the touch point of false touch gesture and conventional tactile gesture;
Obtained the feature of described false touch gesture by the coordinate of the touch point calculating described false touch gesture, obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture;
Form described false touch gesture library by the feature of all described false touch gesture obtained, form described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
6. a touch control device, is characterized in that, comprising:
First coordinate obtaining module, for obtaining the coordinate of the touch point waiting to judge touch gestures;
Fisrt feature computing module, for by calculate described coordinate obtain described in treat to judge the feature of touch gestures, wherein, described feature comprises the area of the quantity of touch point, the polygonal shape obtained by the described touch point of connection and correspondence;
Whether the first judge module, for coming to exist in misjudgment touch gestures storehouse and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets threshold value by contrasting described feature;
Screen locking module, in misjudgment touch gestures storehouse exist with described until judge the similarity of touch gestures meet described threshold value prestore touch gestures time, execution lock-screen.
7. touch control device as claimed in claim 6, is characterized in that: described threshold value comprises first threshold and Second Threshold; Wherein, meet the following conditions with the described touch gestures that prestores waiting to judge that the similarity of touch gestures meets threshold value simultaneously:
The touch point number judging touch gestures is waited described in touch point number equals;
The area of a polygon formed and describedly wait that the difference judging the area of a polygon that touch gestures is formed is less than described first threshold; And
The polygonal every bar limit formed and describedly wait to judge that the difference of the angle that polygonal every bar corresponding sides of touch gestures are formed with horizontal line respectively is all less than Second Threshold.
8. touch control device as claimed in claim 7, it is characterized in that: the deterministic process of described corresponding sides is: select ordinate in polygonal summit maximum o'clock as the first touch point, from described first touch point, mark each limit of described polygon successively in the counterclockwise direction by ascending order, marking identical limit in the different polygons that limit number is identical is corresponding sides.
9. touch control device as claimed in claim 6, is characterized in that: described touch control device also comprises:
Second judge module, for do not exist in misjudgment touch gestures storehouse with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, then judge whether to exist in conventional tactile gesture library and wait to judge with described the touch gestures that prestores that the similarity of touch gestures meets described threshold value by contrasting described feature;
Execution module, for when judge in conventional tactile gesture library exist with described wait judge the similarity of touch gestures meet described threshold value prestore touch gestures time, wait the routine operation judging that touch gestures is corresponding described in execution; Otherwise, do not perform any operation.
10. touch control device as claimed in claim 9, is characterized in that: described touch control device also comprises:
Second coordinate obtaining module, for obtaining the coordinate of the touch point of false touch gesture and conventional tactile gesture;
Second feature computing module, the coordinate for the touch point by calculating described false touch gesture obtains the feature of described false touch gesture, is obtained the feature of described conventional tactile gesture by the coordinate of the touch point calculating described conventional tactile gesture;
Gesture library generation module, for forming described false touch gesture library by the feature of all described false touch gesture obtained, forms described conventional tactile gesture library by the feature of all described conventional tactile gesture obtained.
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